What makes these recycled sludge bricks superior to conventional ones?

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Recycled Sludge Bricks Exhibit Enhanced Fire Resistance Compared to Conventional Cement Bricks

Bricks manufactured using recycled water treatment plant residue possess superior fire resistance properties when contrasted with traditional cement bricks. This enhanced characteristic is a notable advantage stemming from the innovative circular economy initiative undertaken by Alam Aliran Kualiti (M) Sdn Bhd (AAK) in collaboration with the Penang Water Supply Corporation (PBAPP).
Improved Fire Resistance Capabilities

The incorporation of treated water treatment plant residue, classified as scheduled waste (SW204), as a primary raw material in cement brick production results in a material with better fire resistance. This quality has been confirmed through testing, differentiating these novel bricks from those made solely with conventional materials.
Sustainable Waste Transformation Process

This advanced brick production method transforms what was previously considered waste into a valuable construction resource. The process involves dewatering the residue at PBAPP's Sungai Dua Dewatering Plant, followed by chemical treatment at AAK's facility to create aggregates. These aggregates then form the base for the cement bricks, utilising a proprietary formulation that adheres to industry quality standards.
Commercial Viability and Certification Progress

The bricks produced through this sustainable technology have already entered the market, being used in construction projects and sold through hardware stores across Penang. Further validation of their quality and safety is underway, with the product having secured ISO 9001 certification and currently undergoing assessments by the Standards and Industrial Research Institute of Malaysia (Sirim) and the Fire and Rescue Department of Malaysia (JBPM).

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What makes these recycled sludge bricks superior to conventional ones?

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